US Bridges

Baker Lake RD over W Fork Grandy Ck

Fair

Skagit County, Washington · 2. NE JCT SR 20 · Structure no. 079854000000000

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
725
2021 count
Owner
County
County Highway Agency

About this bridge

Baker Lake RD over W Fork Grandy Ck is a prestressed concrete stringer/multi-beam or girder carrying Baker Lake RD over W Fork Grandy Ck in Skagit County, Washington. It was built in 1968, so it is 57 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 725 vehicles a day, roughly 18% of them trucks, projected to reach 1,077 by 2041. The structure is 62 ft (18.9 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesBaker Lake RD
CrossesW Fork Grandy Ck
Location2. NE JCT SR 20
RouteCounty Highway 97000
Coordinates48.55169, -121.86322
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2021)
Projected traffic1,077 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker Lake RD over W Fork Grandy Ck built?

It was built in 1968, making it 57 years old in 2025.

What condition is Baker Lake RD over W Fork Grandy Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Baker Lake RD over W Fork Grandy Ck carry?

About 725 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is Baker Lake RD over W Fork Grandy Ck?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Baker Lake RD over W Fork Grandy Ck?

It is owned by the County Highway Agency.